US prosecutors mounted an aggressive legal assault on the giant SAC Capital hedge fund yesterday, alleging in a rare criminal case that insider trading "was substantial, pervasive and on a scale without known precedent in the hedge fund industry".

Miliband’s gag – ‘He is the Prime Minister for Benson and hedge funds’ – was a work in progress

Tory strategist’s links to cigarette giant pile pressure on PM after  tobacco policy U-turn

Sterling fell in the first part of the week because traders decided that US interest rates were likely to rise before ours do, thus making the dollar a more attractive currency to hold.

David Cameron and William Hague got into similar trouble, but for exactly opposite reasons. If the Foreign Secretary had said “stupid person” or (admittedly a bit of a mouthful for an impromptu sedentary aside) “stupid Honourable Member”, he’d be home free. As the lip reading consensus was that he muttered “stupid woman” while Cameron was answering, or more accurately not answering, a hostile question from Labour’s Cathy Jamieson, he quickly became Twitter villain of the day.

One of the City's most colourful bankers, Alex Snow, is to become chief executive of Lansdowne Partners, the hedge fund manager which made a killing selling shares in British banks during the financial crisis.

Sky Blues remain in administration and fans face baffling business complexities as uncertainties remain

The billionaire investor Dan Loeb has increased pressure on Sony's board by lifting his stake in the electronics group to 7 per cent.

Major operation launched to clear central London HQ of anti-G8 movement in former police station

Japan's SoftBank has secured the backing of a major Sprint shareholder after raising its bid for the American wireless carrier to from $20.1bn to $21.6bn (£13.9bn) to counter a rival proposal by Dish Network, the US satellite firm.

A row over the stadium has been going on for months

Lunch on Tuesday with one of our biggest investment funds came to life when I asked when we might expect shareholders to worry enough about the damage to corporate reputations to vote against boards which pursued aggressive tax-avoidance strategies.

The European Commission stepped up its investigation into oil price fixing as it sought information from trading houses such as the FTSE 100 giant Glencore.

Daniel Loeb urges Sony to sell parts of film and music business